Trap



H. w. Jusus. TRAPl APPLICATION FlLED MAR. I7. 1921.

/1 TTHIVEYS UNITED STATES PATENT GFFICE.

HENRY WILLI/AM JUsTUs, 40F NAPANOCH, NEW YORK.

TRAP.

To @ZZ whom it may concer/1t.'

Be it known that I, HENRY W. JUsrUs, a citizen of the United States, anda resident of Napanoch, in the county of Ulster and State of New York,have invented a new and Improved Trap, of which the following is a full,clear, and exact description.

rlhis invention relates to improvements in traps, and more particularlyto traps for water of condensation, an object of the invention being toprovide an improved construction of trap automatically controlled by afloat in the trap, the latter controlling the operation of the valvewhich regulates the flow and pressure to a diaphragm control foroperating the outlet valve of the trap.

A. further object is to improve upon the constructions illustrated in myapplication for patent on traps, filed @ctober 7 1919, and given SerialNo.. 329102, which was patented Got. 12, 1920, under No. 1,355,746, andapplication for patent on traps, filed March 15 1920, and given SerialNo. 365983, which was patented June 7, 1921, under No, 1,380,971.

With these and other objects in view the invention consists in certainnovel features of construction, and combinations and arrangements ofparts, as will be more fully hereiafter described and pointed out in theclaims.

ln the accompanying drawings- Figure 1 is a View partly in elevation,but mainly in vertical section through a trap embodying my invention.

Figure 2 is an enlarged view in vertical section through the diaphragmcontrolling valve and its adjacent parts.

1 represents the casing of my improved trap, the latter provided with acover 2 secured thereon and having an'inlet 3 adjacent the bottom of thecasing permitting a How of water and steam from the system into the trapcasing. 4C represents a discharge pipe which extends upwardly throughthe top of thetrap casing and terminates at its lower end at a pointadjacent the bottom of the trap casing.

A T-coupling 5 is secured on the upper end of the discharge pipe 4 andoperates as a coupling between said discharge pipe and an outlet pipe 6for directing the discharge to any point desired. This T-coupling 5 alsoconstitutes a valve casing in which a valve 7 is located and is adapted`to normally close u Specication of Letters Patent. Patented Aug, 29,1922.

Application le'd March 17, 1921. Serial No. 453,163.

against a seat 8 in the lower portion of the T-coupllng. A dome 9 isprovided on the upper end of the T-coupling and a diaphragm casing 10 issecured on the upper end of the dome 9. ln this diaphragm cas- 111g 10 adiaphragm 11 is located and is secured to the stem 12 of valve 7.

A coiled spring 13 is provided in the lower portion'of the diaphragmcasing 10 and exerts upward pressure against the diaphragm 11 tending topress the diaphragm upwardly to open the valve 7 An opening 14 is formed1n one wall of the trap casing 1 near its lower end, and a plate 15 issecured to the outer face of the trap over said opening 14 and formedwith a screw threaded opening 16 for .the reception of the externallythreaded inner end 17 of a plug 18. This plug 18 constitutes a valvecasing and is formed with a longitudinal bore of three differentdiameters. The outer bore 19, which is of the greatest diameter, isscrew threaded throughout a portion of its length to receive a-plug 20,the latter having a pas- -sage 21 therein connecting one end of the theplug 20. Adjacent this largest bore 19, v

the plug 18 has a somewhat reduced bore 23 constituting a valve chamber,in which a valve 24- is located. lThe smallest diameter 25 of said bore,located at the inner portion of the plug 18, accommodates the stem 26 ofvalve 24, and it will be noted that the stem 26 is of appreciably lessdiameter than the bore 25 to allow a free low of duid through said boreinto the valve chamber 23.

An angle lever 27 is pivotally connected to the bifurcated inner end ofthe plug 18, as shown at 28, and one end of this angle lever has anopening 29 to accommodate the stem 26, and a nut 30 is screwed onto thethreaded inner end 31 of said'valve stem 26 and is adapted to be engagedby one arm of the angle lever 27 to move the valve as will behereinafter described.

1t will be noted that the `members oi the angle lever 27 are at a slightacute angle to A rod 32 is secured to the horizontal arm of the anglelever 27 and Supports a oat 33 at its free end, the movement of the oat33 in the water in the trap serving to move the angle lever 27 andoperate the valve 24 as will be explained.

The plug 18 is made with a passage 33 communicating with the annularpassage 22 in the plug 2O and said plug 18 is also made with a passage34`comlmunicating with the valve chamber 23. A, pipe 35 connects thepassage 33 with the tion and to seat against the reduced bore at theother end of said valve chamber when the valve is in its other extremeposition.

The valve 24 is madel with a spiral or double spiral groove or dpassage37, so that it is 'possible for the flui to flow around the valve and isonly stopped bythe ends of .the valve when said'ends are seated.

In the top 2 of the tra casing 1 I provide my vimproved relief va vemechanism 38, which automatically perm1ts air to escape from the trapwhen the air becomes excessive therein, and as this air relief valveforms v the subject matter of one of my applications above referred to,it is needless to describe the same here in detail.

The operation of my improved trap is as follows: The drawing illustratesthe float 33 in its lowest positlon when the trap is substantially emptyand also illustrates valve 7 in closed position and valve 24 closing thepassage 21 communicating with pipe 35, which connects the passage 2lwith the T- coupling 5. When the valve 24 is in this position, thevupperportion of the diaphragm casing 10 is in open communication with thetrap casing by reason of the pipe 36 and the spiral groove 37 in valve24 and connecting passages, so that any pressure which may be in thetrapis communicated to the upper portion of the diaphragm casing tomaintain the valve 7 in closed position.

As .the loat 33 rises by reason ofv the column of water in the trap, itwill, after it reaches a predetermined height, cause vthe movement ofthe lever 27 suilicientlyto exert a pull on the valve Stem l26 to movethe valve 24 to the right and seat this right-hand end of the valveagainst the right-hand end of the valve chamber 23. When the valve 24 isin this position, the upper end of the diaphragm casing 10 is in opencommunication with the T-coupling 5 by reason of the fact that the pipe36 andA passage 34 are connected by the spiral groove 37 of the valve 24with the passage 21 and pipe 35, so that there will be a reduction ofpressure inthe upper end of the diaphragm 11 and the the, diaphragm 11and the valve 7, thus'f opening the dischar e pi e 4 into communi'-cation with the out et pipe 6 and the pressure of steam in the trapcasing 1 will serve to force the Water through the passage 4 and outletpassage 6.

As the float 33 lowers, the valve 24 will move to the left not only byreason of the frictional engagement of the lever 27 therewith, but byreason of the pressure of the fluid in the trap, so that said valve willresume its position illustrated in the drawings and permit a flow offluid under pressure through the pipe 36 to the upper portion of thediaphragm casing 10, thereby forcing the diaphragm 11 downwardly toclose the valve 7 when the operation will be repeated as before.

In the initial operation of the trap, when the engineer or otheroperator turns on the steam, the cold air in the lines is driven aheadof the steam toward the trap and promptly escapes to the atmospherethrough the open passage in the relief valve 38 above referred to, whichconstitutes a separate application for patent. When all the air in thetra is discharged, the water of condensation egins to accumulate in thetrap and as it rises, the float lrises with it until a height is reachedwhen the latter operates the valve 24 as above explained, and the valve24 is hereafter automatically controlled by the movement of they floatt0 regulate the operation of the valve 7 and the outlet of water, asset. forth. l

Various slight changes might be'made in the general form andarrangeme-ntof the parts described without departing from the invention, and hence Ido not limit myself to the precise details set forth, but considermyself at liberty to make such changes and lalterations asfairly fallwithin the spirit and scope of the appended claims.,

I claim:

1. A trap of the character stated, compris ing a' casing, an inlet pipedischarging into the casing, a discharge pipeJ discharging from thecasing and communicating with the lower portion of the casing, a valvecontrolling the flow through said discharge pipe, a diaphragm casing, adiaphragm in the casing operatively connected to and controlling thesaid valve, a valve chamber communicating with the lower portion of thetrap casing, a pair of pipes communicating with the valve chamber andconnecting the latter with the diaphragm casing and with the dischargepipe above the first-mentioned valve respec tivelyl a valve in ysaidvalve casing controlling the How of fluid through said pipes, a stem onthe last-mentioned valve, a pivotally supported angle lever operativelyengaging the stem and adapted to cause the movement .of said valve fromone operative position to izo another, and a float operatively connectedto said lever and located in the trap.

2. A trap ofthe character stated, comprising a casing, an inlet pipedischarging into the casing,` a discharge pipe discharging romthe casingand communicating with the lower portion of the casing, a valvecontrolling the How through said discharge pipe, a diaphragm casing, adiaphragm in the casing operatively connected to and controlling thesaid valve, a valve chamber communicating with the lower portion of thetrap casing, a pair of pipes communicating with the valve chamber andconnecting the latter with the diaphragm casing and with the dischargepipe above the first-mentioned valve respectively, a valve in said valvecasing controlling the flow of fluid through said pipes, and a fioatcontrolling the operation of said last-mentioned valve, saidlast-mentioned valve being double-ended and operating to closecommunication with the diaphragm casing and with the discharge piperespectively and having a passage therein connecting the respective endsof the valve whereby vcommunication is had between saio pipes when thevalve is in one of its extreme positions. and permitting communicationof one.

from the casing and communicating with the lowerk portion of the casing,a valve controlling the flow through said discharge pipe, a diaphragmcasing, a diaphragm 1n the casing operatively connected to andcontrolling the said valve, a valve chamber communicating with the lowerportion of the trap casing, a pair of pipes communicating with the valvechamber and connecting the latter with the diaphragm casing and with thedischarge pipe above the first-mentioned valve respectively, a valve insaid valve casing controlling the flow of fluid through said pipes, astem on the last-mentioned valve, a pivotally supported angle leveroperatively engaging the stem and adapted to cause the movement of saidvalve from one operative position to another, and a float operativelyconnected to said lever and located in the i I trap, said last-mentionedvalve being double-ended and operating to close communication with thediaphragm' casing and with the discharge pipe respectively and having `apassage therein connecting ,the respective 4. A trap of the characterdescribed, comy prisin a casing, an inlet pipe communicating with thecasing, a discharge pipe projecting upwardly through the top of thecasing and terminating at its lower en d at a point adjacent the bottomof the casing, a valve in said discharge pipe, a diaphragm casing, adiaphragm 1n the diaphragm casing, a stem connecting said valve and thediaphragm, a s ring exerting upward pressure on the diap ragni andtending to open the valve, said trap having an outlet passage, adouble-ended valve in said outlet passage, a Heat controllin themovement of the doubleended valve, pipes connecting said passage withthe upper portion of the diaphragm casing and with the discharge pipeabove said first-mentioned valve respectively, and said double-endedvalve operating to control theV flow of fluid to the diaphragm casingand from the diaphragm casing through said pipes to the discharge pipe.

5. n a trap of the character described, the combination with an outletvalve, a diaphragm casing, and a diaphragm in said casing controllingthe movement of the valve, of means connecting the trap, and the dia-HENRY WILLIAM JUsTUs.

